Datasheet

LTC3217
12
3217fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
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FAX: [phone]
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www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2005
LT 0208 REV A • PRINTED IN USA
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TYPICAL APPLICATION
PART NUMBER DESCRIPTION COMMENTS
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Up to 6 White LEDs, V
IN
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SD
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LTC3205 Multidisplay LED Controller 92% Effi ciency, V
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2
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85% Effi ciency, V
IN
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95% Effi ciency, V
IN
: 2.7V to 5.5V, V
OUT(MIN)
= 0.6V, I
Q
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SD
≤1μA,
ThinSOT Package
ThinSOT is a trademark of Linear Technology Corporation.
500mA Camera Flash with PWM Brightness Control
C2
2.2μF
C3
2.2μF
C1
1kHz
PWM
(5% TO 100% DC)
2.2μF
C4
2.2μF
V
BAT
3.92k
1%
I
LED
500mA (MAX)
3217 TA02
LED1
LED2
LED3
LED4
GND
V
BAT
NC
EN1
EN2
LTC3217
C1P C1M C2P C2M
I
SET1
I
SET2
CPO